Aquapower DHC 3-1
0.93 UEF DOE CCD · 2026-09-19Grade F: where this UEF sits among the 271 models in its class, lowest (G) to highest (A). A position, not an official label. How the grade is set
An electric tankless unit, very small draw pattern (small units - a single bathroom, or a point-of-use heater under a sink).
If you are checking this unit against the registry: Aquapower DHC 3-1 uses 635 kWh of electricity a year at the very small draw pattern, the standard daily hot-water usage DOE tests against. That is 20 kWh above the class median of 615 kWh, ranking 218th lowest of 271 models.
Energy use per year
635 kWh a year
Computed by this site from the registry's UEF and the federal test's daily hot-water draw for this draw pattern. What it costs depends on the electricity rate where you live.
That is above the median of 615 kWh for the 271 models registered in the same heater type and draw pattern; it ranks 218 of 271, lowest energy first.
Solid line: this model (635 kWh). Dashed line: the class median.
Min 562 kWh Median 615 kWh Max 649 kWh
What it costs to run where you live
What the registry files
- UEF (Uniform Energy Factor) how much hot water you get for each unit of energy the heater uses
- 0.93 DOE CCD · 2026-09-19 Compared only with other models registered as an electric tankless unit at the very small draw pattern.
- Draw Pattern the standard daily usage profile DOE tests the unit against
- Very small DOE CCD · 2026-09-19
- Maximum Gallons Per Minute how many gallons a minute it can heat while running continuously
- 0.3 gal/min DOE CCD · 2026-09-19
What it costs to install
$1,297–$1,766 installed
Not a quote — a modeled range of what installers have charged for this class of unit; your price will vary with labor rates, access, and local code requirements.
Escalation indexes: equipment (BLS PPI) latest available: August 2026; labor (BLS ECI) latest available: April 2026 to June 2026.
NLR REMDB (BLS PPI/ECI escalated) · 2026-04-01Safety record
No CPSC recall names this model.
Checked against the CPSC recall database. CPSC does not publish a model-level match for this product category, so this list is curated by hand from the manufacturer's recall filings.
CPSC · 2026-09-24What these figures mean
How this compares
The closest models in the same class — same fuel, type and draw pattern.
Keep going
How every figure on this page is calculated
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What a water heater costs to run
Prices a unit's efficiency against your own utility's filed tariff for your ZIP code.
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How to size a tankless water heater by GPM
Answered from what models in this size actually file.
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Water heaters
Every model on file with the Department of Energy, by heater type.
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Electric instantaneous units, sized by flow rate rather than tank gallons.
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Every Aquapower model on file
What this brand files, by heater type.
UEF 0.93 · Grade F Price it on your ZIP
The registry lists a UEF (Uniform Energy Factor), the ratio of hot water delivered to energy used, of 0.93 for Aquapower DHC 3-1. This site combines that UEF with the DOE test's daily hot-water draw for the very small draw pattern and gets 635 kWh of electricity a year. The registry does not publish the annual figure; this site computes it, and the source is DOE CCD, retrieved 2026-09-19. The class median is 615 kWh, so this model sits 20 kWh above it. That comparison covers the 271 models registered as an electric tankless unit at the same draw pattern. The figure applies only at the federal test's daily draw, and use in a home with a different daily draw is not available from this data. The method behind the annual figure is documented separately.
The very small draw pattern describes small units: a single bathroom, or a point-of-use heater under a sink. Within that pattern, this model's maximum flow rate in gallons per minute is 0.3. It suits a use that stays inside that flow limit and where 635 kWh a year at the test's daily draw is acceptable. It does not suit a reader who needs more flow than 0.3, or one who is ranking models by lowest energy use: it ranks 218th lowest energy use of 271, in the highest quarter of its class for energy use. The data does not say how many fixtures this flow limit can serve at once, so that is unknown here.
Running cost depends on the electricity rate on your own utility tariff, so this page states no cost amount and does not estimate one. The annual energy of 635 kWh is the quantity to multiply by your rate per kilowatt-hour, at the very small draw pattern. The cost calculator on your own ZIP does that step with your local tariff. If this model is being checked as a replacement, find a same-class replacement by model number compares units against the same class of 271 models. The modeled installed-cost range appears in its own block on this page with its source and date, and it is not a quote. Other fuel, space or size options are on the water heater selector.
DOE CCD · 2026-09-19